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A Case series on Asthma-COPD overlap (ACO) is independent from other chronic obstructive diseases (COPD and Asthma)

Published on: 30th July, 2021

OCLC Number/Unique Identifier: 9157820954

As we know that, Asthma and chronic obstructive pulmonary diseases are well characterized diseases, they can co-exist as asthma-COPD overlap (ACO). The co-existence of asthma-chronic obstructive pulmonary disease overlap (ACO) in chronic obstructive pulmonary disease (COPD) patients is often unrecognized. In patients with a primary diagnosis of COPD or Asthma, the identification of ACO has got implication for better prognosis and treatment. Such patients experience frequent exacerbations, poor quality of life, rapid decline in lung function and high mortality than COPD or Asthma alone. Inhalational steroids provide significant alleviation of symptoms in such patients and some studies suggest that the most severe patients may respond to biological agents indicated for severe asthma. Patients who have asthma with a COPD component tend to present with severe hypoxia because of Irreversible/fixed airway obstruction and impairment of the alveolar diffusion capacity by emphysematous changes. In contrast, patients with COPD who have an asthma component not only have exertional dyspnoea but also develop paroxysmal wheezing or dyspnoea at night or in the early morning. The criteria to diagnose asthma-COPD overlap (ACO) include positive bronchodilator response, sputum eosinophilia or previous diagnosis of asthma, high IgE and/or history of atopy. There is scarcity of literature available in country like India. We highlight the importance of identification of Asthma COPD overlap as different phenotype from COPD or asthma alone as it is challenging to diagnose ACO in India. We report 3 cases having both the features of asthma and COPD, later diagnosed with Asthma-COPD overlap.
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Different optimization strategies for the optimal control of tumor growth

Published on: 10th December, 2019

OCLC Number/Unique Identifier: 8495685425

In this article different numerical techniques for solving optimal control problems is introduced, the aim of this paper is to achieve the best accuracy for the Optimal Control Problem (OCP) which has the objective of minimizing the size of tumor cells by the end of the treatment. An important aspect is considered, which is, the optimal concentrations of drugs that not affect the patient’s health significantly. To study the behavior of tumor growth, a mathematical model is used to simulate the dynamic behavior of tumors since it is difficult to prototype dynamic behavior of the tumor. A tumor-immune model with four components, namely, tumor cells, active cytotoxic T-cells (CTLs), helper T-cells, and a chemotherapeutic drug is used. Two general categories of optimal control methods which are indirect methods and direct ones based on nonlinear programming solvers and interior point algorithms are compared. Within the direct optimal control techniques, we review three different solutions techniques namely (i) multiple shooting methods, (ii) trapezoidal direct collocation method, (iii) Hermit- Simpson’s collocation method and within the indirect methods we review the Pontryagin’s Maximum principle with both collocation method and the backward forward sweep method. Results show that the direct methods achieved better control than indirect methods.
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Exploring novel medical applications for commonly used veterinary drug (tilmicosin antibiotic)

Published on: 31st August, 2017

OCLC Number/Unique Identifier: 7325099093

Tilmicosin (TMC) is a semi synthetic macrolide antibiotic of tylosin derivatives commonly used by veterinaries, has been shown to reveal beneficial pharmacological activities. In the current study, the potential wound healing activity, Anti-oxidant effect (ulcer and hepatoprotective) were investigated. Anti-inflammatory, antipyretic, analgesic (central and peripheral), hypnotic and antispasmodic activity were also screened. This study included adult both sexes of rats (200-250 gm), mice (20-25 gm) and adult rabbits. Experimental wound was induced on the anterior-dorsal side of each rat whereas, ulcer induced by ethanol causing mucosal damage in rats. The oral anti-inflammatory induced through formalin producing edema, antipyretic (Brewer’s yeast induced hyperthermia) and analgesic (writhing test, hot plate method, tail immersion method) while hypnotic effects induced through thiopental sodium. Anti-spasmodic effect on isolated organs (intestinal and uterine muscles) using new method of Modular Single Chamber Organ Bath were carried out on experimental animals. Tilmicosin antibiotic at different two doses of 20 and 40 mg/kg b.wt., has an important role in treatment of ulcer (cytoprotective effect) and improvement the wound healing processes besides anti-inflammatory, analgesics, and anti-pyretic effects. Tilmicosin revealed also hypnotic and intestinal anti-spasmodic effects but showed Pharmacovigilence hepatotoxic effect through the histopathological studies which revealed sever hepatic damage especially at larger dose.
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Effective COVID-19 prevention and control in areas of ultra-dense population: Lessons from Macau SAR

Published on: 3rd June, 2020

OCLC Number/Unique Identifier: 8628651927

In this paper we summarise, in chronological order, all COVID-19 preventive measures undertaken by the Macau Special Administrative Region (SAR) government during the first quarter of 2020. The information and narrative contained herein may be of useful to other parts of the world in COVID-19 control and prevention, especially cities with ultra-high population densities. The four main lessons from Macau SAR are: (1) Proactive leadership and early prevention. (2) Strict adherence to community endemic control. (3) Clear prioritising of public health. (4) Planed relief for financial hardships amidst the post-pandemic recession.
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Transoral laser resection of a large schwannoma in the retropharyngeal space

Published on: 26th April, 2021

OCLC Number/Unique Identifier: 9026745012

Introduction: The contents of the retropharyngeal space are limited to fat and retropharyngeal nodes. Primary tumors originating from the retropharyngeal space are rare, therefore, the existence of schwannoma in the retropharyngeal space is infrequent. Method: This paper describes a case of a large schwannoma of the retropharyngeal space excised transorally with the use of co2 laser. This lesion measured about 6/6 x 3/5. Result: No peri-or post-operative complications were encountered. The procedure allowed quick resumption of an oral diet and a return to normal activity for the patient. Conclusion: This is, to our knowledge, the first report of this technique used in the excision of a large retropharyngeal space schwannoma.
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Assessment of Redox Patterns at the Transcriptional and Systemic Levels in Newly Diagnosed Acute Leukemia

Published on: 29th April, 2024

Background: Acute leukemia is the result of clonal transformation and proliferation of a hematopoietic progenitor giving rise to poorly differentiated neoplastic cells. Reactive oxygen species play a role in maintaining the quiescence, self-renewal, and long-term survival of hematopoietic stem cells, but it is unclear how they would affect disease onset and progression. The aim is to evaluate, at the transcriptional and systemic level, the oxidative-inflammatory status in newly diagnosis acute leukemia patients. Methods: Seventy acute leukemia patients [26 acute lymphoblastic leukemia (ALL), 13 Acute Promyelocytic Leukemia (APL), and 31 Acute Myeloid Leukemia (AML)] and forty-one healthy controls were analyzed. Malondialdehyde and catalase activity were evaluated. Gene expression of NRF2, SOD, PRDX2, CAT, IL-6, and TNF-α was analyzed by real-time PCR.Results: Malondialdehyde concentration was similar in all groups studied. Catalase activity was significantly higher in AML and APL patients compared to controls, while ALL showed similar activity to the healthy group. NRF2, CAT, and PRDX2 expression levels were similar between groups, SOD expression was downregulated in all acute leukemia patients. TNF-α expression was lower in AML groups than in healthy individuals, and IL-6 mRNA expression was downregulated in ALL and APL.Conclusion: This is the first report that correlates transcriptional and systemic parameters associated with the oxidative inflammatory status in newly diagnosed acute leukemia. Some of the parameters evaluated could be used as biomarkers in the selection of an effective therapeutic strategy and will open new directions for the follow-up and evolution of this disease.
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Comparative characterization between autologous serum and platelet lysate under different temperatures and storage times

Published on: 12th April, 2023

Therapies using autologous serum and platelet lysate have shown promise among blood and biological products in the treatment of various diseases. The autologous serum has been shown to be a superior alternative to traditional eye drops in treating eye diseases in ophthalmology. Platelet lysate (PL) has recently been considered a more interesting alternative for the treatment of multiple tissues, as it does not have the unfavorable reactions seen with traditional platelet-rich plasma (PRP), making it a valuable blood derivative for use in ocular therapy. There is no definitive comparison in veterinary medicine between PL and autologous serum in terms of the content of Transforming Growth Factor beta 1 (TGF-1), which is known to have chemotactic, mitogenic, matrix formation, and angiogenesis effects on tissues, and beneficial proteins in ocular tissue. This study aimed to estimate the concentrations of TGF-1, total protein, and albumin, as well as autologous serum and platelet lysate, in horses over an 8-day storage period at temperatures of 4 °C and 37 °C.To produce autologous serum, 63 ml of blood was collected from each animal in seven 9 ml tubes without anticoagulant. For platelet lysate, 180 ml of blood was collected in 50 tubes of 3.6 ml with 3.2% sodium citrate. The most significant findings were the positive relationship between the baseline platelet count in the blood and the final platelet concentration in PRP. Specifically, we found a correlation (R = 0.9) with a p - value of 0.005 between the average baseline platelet level of seven animals and their corresponding PRP results, both on an individual level and as a group. Additionally, there was a correlation between growth factor concentration and PRP platelets, with the highest growth factor concentration in PL. The temperature storage group exhibited higher concentrations of total protein and serum albumin, as well as the maximum amount of growth factor for both products at a temperature of 37 °C.
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Comparative anatomy of selected bones of forelimb of local Mongrelian Dog (Canis lupus familiaris) in Sokoto, Nigeria

Published on: 14th December, 2021

OCLC Number/Unique Identifier: 9378344586

This research was conducted over period of 3 months with the aim of studying Age related changes of selected bones of forelimb (Scapula, Humerus, Radius and Ulna) in Local Mongrelian Dog (Canis lupus familiaris). The study entails biometrical and gross observations on the bones. The sample bones were acquired from the experimental animals of comparative anatomy in the department. The bones were categorized into various age groups for the research. The length, width, diameter and circumference of the samples (scapula, humerus, radius and ulna bones) were determined for all the groups. The shape, size, color, location, position and relation of each segment of the samples at various stages of development were determined. The differences across the age groups of different samples were observed and recorded. Based on the research result, it was concluded that, the biometric and morphometry data was found to be increasing with advancement of age. A baseline data was established with the view to enhance learning.
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Transformative Convergence: Exploring the Nexus of Engineering, Science and Technology in Intensive Care

Published on: 23rd May, 2024

In the last decade, convergence science has been described as the solution to problems by integrating biological sciences with the physical, mathematical and computational sciences. This concurrence opens the pitch to strengthen multidisciplinary, transdisciplinary and interdisciplinary work. This short review delves into the transformative integration of engineering, science and technology in the dynamic realm of intensive care. Unveiling recent advancements, the exploration spans the multifaceted contributions of these disciplines toward elevating patient care and optimizing healthcare systems.
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Foam Sclerotherapy versus surgery in treatment of chronic venous disease

Published on: 13th April, 2020

OCLC Number/Unique Identifier: 8582315278

Although the classical surgical treatment methods of chronic venous insufficiency are successful to relieve perfectly the cause (reflux) and result (varicose veins), the new ablation techniques such as endogenous laser ablation therapy (EVLT), radiofrequency (RF) and foam ablation come into currency more and more with their advantage of being performed with only local anesthesia. However, these techniques, still have the potential for residual saphenofemoral reflux due to incomplete ablation of all side branches of the saphenofemoral junction. As an alternative technique ligation + foam sclerotherapy is not only comfortable like EVLT or RF but also safe and effective as much as classic stripping.
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